Re: debug_dma_assert_idle - ohci - cpu touching an active dma mapped cacheline

2014-09-17 Thread poma
[ cut here ]
WARNING: CPU: 2 PID: 1065 at lib/dma-debug.c:593 
debug_dma_assert_idle+0x159/0x1d0()
ohci-pci :00:04.0: DMA-API: cpu touching an active dma mapped cacheline 
[cln=0x03004180]
CPU: 2 PID: 1065 Comm: tumblerd Not tainted 3.17.0-0.rc5.git1.1.fc22.i686 #1
Call Trace:
 [] dump_stack+0x48/0x60
 [] warn_slowpath_common+0x82/0xa0
 [] ? debug_dma_assert_idle+0x159/0x1d0
 [] ? debug_dma_assert_idle+0x159/0x1d0
 [] warn_slowpath_fmt+0x3e/0x60
 [] debug_dma_assert_idle+0x159/0x1d0
 [] ? anon_vma_prepare+0x29/0x140
 [] do_wp_page+0xe4/0x8c0
 [] handle_mm_fault+0x662/0xba0
 [] __do_page_fault+0x208/0x5d0
 [] ? vm_mmap_pgoff+0x9b/0xc0
 [] ? SyS_mmap_pgoff+0xe8/0x220
 [] ? trace_hardirqs_on_caller+0x13c/0x1e0
 [] ? __do_page_fault+0x5d0/0x5d0
 [] do_page_fault+0x1a/0x20
 [] error_code+0x6c/0x74
---[ end trace ce8b30fb8a3415c9 ]---
Mapped at:
 [] debug_dma_alloc_coherent+0x22/0x70
 [] ohci_init+0x22c/0x450
 [] ohci_setup+0x59/0x60
 [] ohci_pci_reset+0x4f/0x60
 [] usb_add_hcd+0x29a/0x8c0

$ lsusb -s 004:
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub


poma


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/


Re: debug_dma_assert_idle - ohci - cpu touching an active dma mapped cacheline

2014-09-17 Thread poma
[ cut here ]
WARNING: CPU: 2 PID: 1065 at lib/dma-debug.c:593 
debug_dma_assert_idle+0x159/0x1d0()
ohci-pci :00:04.0: DMA-API: cpu touching an active dma mapped cacheline 
[cln=0x03004180]
CPU: 2 PID: 1065 Comm: tumblerd Not tainted 3.17.0-0.rc5.git1.1.fc22.i686 #1
Call Trace:
 [c0b1bdb6] dump_stack+0x48/0x60
 [c04591e2] warn_slowpath_common+0x82/0xa0
 [c076dad9] ? debug_dma_assert_idle+0x159/0x1d0
 [c076dad9] ? debug_dma_assert_idle+0x159/0x1d0
 [c045923e] warn_slowpath_fmt+0x3e/0x60
 [c076dad9] debug_dma_assert_idle+0x159/0x1d0
 [c059a909] ? anon_vma_prepare+0x29/0x140
 [c058f594] do_wp_page+0xe4/0x8c0
 [c0591792] handle_mm_fault+0x662/0xba0
 [c0447398] __do_page_fault+0x208/0x5d0
 [c058053b] ? vm_mmap_pgoff+0x9b/0xc0
 [c0595178] ? SyS_mmap_pgoff+0xe8/0x220
 [c04a8e1c] ? trace_hardirqs_on_caller+0x13c/0x1e0
 [c0447760] ? __do_page_fault+0x5d0/0x5d0
 [c044777a] do_page_fault+0x1a/0x20
 [c0b258b4] error_code+0x6c/0x74
---[ end trace ce8b30fb8a3415c9 ]---
Mapped at:
 [c076bb82] debug_dma_alloc_coherent+0x22/0x70
 [c09050dc] ohci_init+0x22c/0x450
 [c0905359] ohci_setup+0x59/0x60
 [c09064cf] ohci_pci_reset+0x4f/0x60
 [c08dd8aa] usb_add_hcd+0x29a/0x8c0

$ lsusb -s 004:
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub


poma


--
To unsubscribe from this list: send the line unsubscribe linux-kernel in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/